teamforce - DAJB 2.1

Vocabulary

Earthquake: Shaking and trembling that is caused by the movement of rock under the Earth's surface.

Stress: Forces that works on rock to change its shape and volume.

Shearing:Stress that pushes rock in opposite directions.

Tension: A pull on the crust, that stretches rock so it becomes thinner in the middle.

Compression: Squeezes rocks until They fold or break.

Deformation:A change in the volume or shape of the Earth.

Faults: Breaks in the earth's crust in which slabs of the Earth's crust slip past each other.

Strike-slip fault:When rock on either side of a fault slip past each other with very little up and down motion.

Normal fault:This fault is at a angle that is why one block of rock lies above the fault and the other block lies below.

Hanging wall:Half of the rock that lies above a fault.

Foot wall:Half of the rock that lies below a fault.

Reverse fault:Is the same as a normal fault exept that the blocks move in opposite directions.

fault block mountain:When a normal fault lifts above normal ground level, a fault block mountain forms.

folds:Are bends in rocks that are formed by compression.

Anticline:A fold in rock that bends downwards to form a bowl like shape.

Syncline:A fold in rock that bends upward to form an arch shape.

Plateau:A big area of flat land that are above sea level.